Dog blanket



FIG. 1 is a front elevation of a dog blanket showing my new design;

FIG. 2 is a top plan view thereof in the open position;

FIG. 3 is a bottom plan view thereof;

The claimed design is of conventional thickness.

The broken line showing on the claimed design in FIGS. 1-3 indicates stitching. The dot dash line showing of the dog in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a dog blanket, as shown and described. 